CN203858310U - Large-power energy-storage current transformer testing system - Google Patents
Large-power energy-storage current transformer testing system Download PDFInfo
- Publication number
- CN203858310U CN203858310U CN201420235395.9U CN201420235395U CN203858310U CN 203858310 U CN203858310 U CN 203858310U CN 201420235395 U CN201420235395 U CN 201420235395U CN 203858310 U CN203858310 U CN 203858310U
- Authority
- CN
- China
- Prior art keywords
- energy
- power
- detected
- switch
- current converter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 60
- 238000004146 energy storage Methods 0.000 title claims abstract description 29
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 10
- 239000003990 capacitor Substances 0.000 claims abstract description 8
- 238000009825 accumulation Methods 0.000 claims description 46
- 238000004458 analytical method Methods 0.000 claims description 12
- 238000013461 design Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 238000004088 simulation Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000011076 safety test Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Landscapes
- Secondary Cells (AREA)
Abstract
The utility model relates to a large-power energy-storage current transformer testing system. The system comprises a bidirectional AC simulation power supply, a bidirectional DC simulation power supply, an island detection device, a charger characteristic detection device, a power analyzing device, a to-be-tested energy-storage current transformer, an adjustable resistor, and an adjustable capacitor. As the electrical characteristics of an energy-storage battery is simulated by the bidirectional DC simulation power supply and the electrical characteristics of a power grid is simulated by the bidirectional AC simulation power supply, the testing system is capable of simultaneously simulating and reproducing the various fault characteristics of the energy-storage current transformer during the practical application, and the testing of the energy-storage current transformer is systemized. Current transformers with similar models and similar performance can be tested without repeated design on the system used by engineers. Moreover, the work and fault procedures of the current transformers can be simulated, and the testing complexity is reduced.
Description
Technical field
The utility model relates to a kind of test macro, relates in particular to a kind of large power energy storage current transformer test macro.
Background technology
China is faced with the objective requirement of intelligent grid construction and extensive new forms of energy synchronized development, electrical network be should pay attention to and the ability of risk and the modernization level of basic facility resisted, pay attention to again the utilization of regenerative resource, ensure the sustainable development of the environmentally friendly energy.
At present the generation of electricity by new energy technology such as China's wind energy, solar electrical energy generation has been promoted rapidly, but self intrinsic randomness, Intermittent Features have determined that its large-scale development will inevitably bring appreciable impact to electric power netting safe running.The application of large capacity energy storage technology will promote the optimization of electric network composition, realizes close friend's access of new forms of energy and coordinates to control.Under new forms of energy and the dual promotion of intelligent grid, greatly developing large capacity energy storage technology will become one of critical task in recent years.
Recently, various novel batteries, energy accumulation current converter system are constantly pushed out.For optimizing and improve system performance and stability, slip-stick artist needs additional designs system testing scheme to test its performance and actual motion effect in the process of these systems of design, as and network electric energy quality, charging performance, direct current output ripple etc. to battery.Meanwhile, for ensureing that energy accumulation current converter security of system moves reliably, a series of safety tests and the protection test of current transformer are also required to test specification, as isolated island test, low voltage crossing performance, overvoltage/undervoltage, underfrequency protection etc.
For the current transformer product of different energy storage field application, in product test and verification process, need to carry out various tests, if different slip-stick artists adopts different data test schemes in the time of design system, this may cause test event confusion, thereby cause unnecessary design iterations.And in fact stored energy application system has many general character, and in authentication test process, needed parameter has certain repeatability.
Utility model content
Provide a kind of Universal high-power energy accumulation current converter test macro with certain extended capability for above problem the utility model, systematic parameter, simplification and the unified testing standard of test all-purpose, shorten the system cycle.The utility model is built the test macro of energy accumulation current converter performance and safety, is applicable to the experimental test of large capacity energy accumulation current converter.This system possesses the energy accumulation current converter performance test ability to 0-500kW power grade, 0-900V electric pressure, 0-500A current class, can gather and record grid-connected power, conversion efficiency, output electric energy direct current, direct current charge-discharge characteristic, direct current output ripple of energy accumulation current converter etc.Meanwhile, this test macro can be used for the various safety tests of energy accumulation current converter, such as isolated island test, earth-fault protection test, megger test, leakage current protection test, DC component test, the test of under-voltage overvoltage protection, frequency protection test etc.
Provide a kind of large power energy storage current transformer test macro in order to overcome the above problems the utility model, it is characterized in that: comprise two-way exchange analog power, bidirectional, dc analog power, isolated island detecting device, charging set characteristic detection device, power analysis device, energy accumulation current converter to be detected, adjustable resistance, tunable capacitor;
Described energy accumulation current converter to be detected is made up of AC end, power cell, DC end, energy accumulation current converter DC end to be detected by the first switch be connected with bidirectional, dc analog power, energy accumulation current converter AC to be detected holds and is connected with the 3rd switch, the 4th switch respectively by second switch;
Two-way exchange analog power by the 3rd switch be connected with second switch, isolated island detecting device pass through the 4th switch be connected with second switch;
One end of power analysis device is connected to energy accumulation current converter AC end to be detected, and the other end of power analysis device is connected to energy accumulation current converter DC end to be detected;
Charging set characteristic detection device is arranged on energy accumulation current converter DC end to be detected;
Adjustable resistance and tunable capacitor are attempted by between energy accumulation current converter DC end to be detected and the zero line N end of AC end.
Described power analysis device comprises current sensor, voltage sensor, power analyzer and power quality analyzer.
Described isolated island detecting device comprises accurate RLC load and intelligent Loading Control plate.
As further improvement of the utility model, described a kind of large power energy storage current transformer test macro, also can connect energy-storage battery and electrical network, and energy-storage battery is connected to energy accumulation current converter DC end to be detected by the 5th switch; Electrical network is connected to energy accumulation current converter AC end to be detected by the 6th switch.
Electrical specification, two-way exchange analog power that the utility model has been simulated energy storage battery due to bidirectional, dc analog power have been simulated the electrical specification of electrical network, can simulate simultaneously and reappear energy accumulation current converter various fault characteristics in actual applications, systematization the test of energy accumulation current converter.In slip-stick artist's use system, do not need design iterations, just can test the current transformer of similar model, similar performance, and its work of analogue simulation and failure process, the complicacy of testing simplified.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model system.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, the utility model provides a kind of large power energy storage current transformer test macro, comprises two-way exchange analog power, bidirectional, dc analog power, isolated island detecting device, charging set characteristic detection device, power analysis device, energy accumulation current converter to be detected, adjustable resistance, tunable capacitor, energy-storage battery, electrical network;
Described energy accumulation current converter to be detected is made up of AC end, power cell, DC end, energy accumulation current converter DC end to be detected by the first switch be connected with bidirectional, dc analog power, energy accumulation current converter AC to be detected holds and is connected with the 3rd switch, the 4th switch respectively by second switch;
Two-way exchange analog power by the 3rd switch be connected with second switch, isolated island detecting device pass through the 4th switch be connected with second switch;
One end of power analysis device is connected to energy accumulation current converter AC end to be detected, and the other end of power analysis device is connected to energy accumulation current converter DC end to be detected;
Charging set characteristic detection device is arranged on energy accumulation current converter DC end to be detected;
Adjustable resistance and tunable capacitor are attempted by between energy accumulation current converter DC end to be detected and the zero line N end of AC end.
Described power analysis device comprises current sensor, voltage sensor, power analyzer and power quality analyzer.
Described isolated island detecting device comprises accurate RLC load and intelligent Loading Control plate.
As further improvement of the utility model, described a kind of large power energy storage current transformer test macro, also can connect energy-storage battery and electrical network, and energy-storage battery is connected to energy accumulation current converter DC end to be detected by the 5th switch; Electrical network is connected to energy accumulation current converter AC end to be detected by the 6th switch.
Two-way exchange analog power can be simulated the needed mains frequency of actual operating state and laboratory of public electric wire net, general variation, the limit fault state etc. of voltage; as simulate the voltage dip of civil power, interruption, frequency drift etc. in short-term; accurately simulate the various experiment conditions of needed electrical network, for the tests such as grid-connected output of products performance, overvoltage/undervoltage protection test, the test of mistake underfrequency protection, low voltage crossing characteristic, immunity experiment reliability test provide test condition.In addition, this AC analogue supply unit possesses bidirectional power characteristic, can meet the grid-connected end energy in bidirectional flow of energy accumulation current converter, performance parameter detection demand.
Bidirectional, dc analog power can be simulated the change in voltage of energy-storage battery, and feedback or absorption bi-directional current power, for large power energy storage current transformer provides programmable DC source.Common DC simulation power supply is for unidirectional Tidal current system, and trend need two-way circulate in energy accumulation current converter test macro, therefore the DC source adopting in this test macro is the bidirectional, dc analog power based on rectified three-phase circuit development, meets the needed translation function that discharges and recharges of test.
The main nucleus equipment of anti-isolated island detecting device is accurate RLC load and intelligent Loading Control plate; can combination in any simulate all kinds of power terminations; can accurately simulate resonance occurs; can meet energy accumulation current converter and detect at full capacity needs; meet the test of current transformer pattern and delivery test and detect needs, effectively detect the anti-island protect function of current transformer.
Charging set characteristic detection device can accurately be tested current transformer direct current outgoing side characteristic and defencive function.This device can fast detecting current transformer DC side the electricity function index such as voltage stabilizing, precision of steady current, voltage stabilizing, current stabilization dynamic perfromance, efficiency, ripple factor of output, whole testing process is all undertaken by predefined program, realize full-automatic characterization test, the impact of elimination human factor, makes test result more accurate.
Adjustable resistance and tunable capacitor are attempted by between the zero line N end of energy accumulation current converter DC to be detected end and AC end, simulate instantaneous leakage current and the average drain currents that suitable leakage current tests grid-connected converter and protect.
Whole test macro relates to the various functions that energy accumulation current converter is detected, and corollary apparatus and instrument are all test specialized equipments, and inheritance versatility is high.Test macro build the test function of having optimized energy accumulation current converter, reduced design iterations workload.
The foregoing is only preferred embodiment of the present utility model, be not restricted to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in claim scope of the present utility model.
Claims (4)
1. a large power energy storage current transformer test macro, is characterized in that: comprise two-way exchange analog power, bidirectional, dc analog power, isolated island detecting device, charging set characteristic detection device, power analysis device, energy accumulation current converter to be detected, adjustable resistance, tunable capacitor; Described energy accumulation current converter to be detected is made up of AC end, power cell, DC end, energy accumulation current converter DC end to be detected by the first switch be connected with bidirectional, dc analog power, energy accumulation current converter AC to be detected holds and is connected with the 3rd switch, the 4th switch respectively by second switch; Two-way exchange analog power by the 3rd switch be connected with second switch, isolated island detecting device pass through the 4th switch be connected with second switch; One end of power analysis device is connected to energy accumulation current converter AC end to be detected, and the other end of power analysis device is connected to energy accumulation current converter DC end to be detected; Charging set characteristic detection device is arranged on energy accumulation current converter DC end to be detected; Adjustable resistance and tunable capacitor are attempted by between energy accumulation current converter DC end to be detected and the zero line N end of AC end.
2. a kind of large power energy storage current transformer test macro according to claim 1, is characterized in that: described power analysis device comprises current sensor, voltage sensor, power analyzer and power quality analyzer.
3. a kind of large power energy storage current transformer test macro according to claim 1, is characterized in that: described isolated island detecting device comprises accurate RLC load and intelligent Loading Control plate.
4. a kind of large power energy storage current transformer test macro according to claim 1, is characterized in that: also can connect energy-storage battery and electrical network, energy-storage battery is connected to energy accumulation current converter DC end to be detected by the 5th switch; Electrical network is connected to energy accumulation current converter AC end to be detected by the 6th switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420235395.9U CN203858310U (en) | 2014-05-08 | 2014-05-08 | Large-power energy-storage current transformer testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420235395.9U CN203858310U (en) | 2014-05-08 | 2014-05-08 | Large-power energy-storage current transformer testing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203858310U true CN203858310U (en) | 2014-10-01 |
Family
ID=51608156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420235395.9U Expired - Lifetime CN203858310U (en) | 2014-05-08 | 2014-05-08 | Large-power energy-storage current transformer testing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203858310U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106959418A (en) * | 2016-01-11 | 2017-07-18 | 上海电气集团股份有限公司 | Test system and method for testing based on energy storage PCS |
| CN109061338A (en) * | 2018-07-04 | 2018-12-21 | 蔚来汽车有限公司 | Energy storage PCS is to dragging test platform and method |
| CN110618330A (en) * | 2019-09-27 | 2019-12-27 | 上海科梁信息工程股份有限公司 | Current transformer detection platform and detection method |
| CN112904114A (en) * | 2021-01-20 | 2021-06-04 | 国网电力科学研究院有限公司 | Multifunctional energy storage converter detection device and test method |
| CN113884752A (en) * | 2021-09-29 | 2022-01-04 | 广东电网有限责任公司 | Power detection system based on current converter |
-
2014
- 2014-05-08 CN CN201420235395.9U patent/CN203858310U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106959418A (en) * | 2016-01-11 | 2017-07-18 | 上海电气集团股份有限公司 | Test system and method for testing based on energy storage PCS |
| CN109061338A (en) * | 2018-07-04 | 2018-12-21 | 蔚来汽车有限公司 | Energy storage PCS is to dragging test platform and method |
| CN110618330A (en) * | 2019-09-27 | 2019-12-27 | 上海科梁信息工程股份有限公司 | Current transformer detection platform and detection method |
| CN112904114A (en) * | 2021-01-20 | 2021-06-04 | 国网电力科学研究院有限公司 | Multifunctional energy storage converter detection device and test method |
| CN113884752A (en) * | 2021-09-29 | 2022-01-04 | 广东电网有限责任公司 | Power detection system based on current converter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203275553U (en) | Feedback type charger detection platform | |
| CN103605014B (en) | A kind of test platform for large-scale energy accumulation current converter | |
| CN203858310U (en) | Large-power energy-storage current transformer testing system | |
| CN103165201B (en) | Nuclear power station power detection system and method | |
| CN102662145B (en) | Detection method for modular multi-level converter (MMC) steady state operation tester | |
| CN202975289U (en) | Photovoltaic grid connected inverter automatic testing platform | |
| CN203299286U (en) | Photovoltaic grid-connected inverter detection platform | |
| CN203981788U (en) | A kind of photovoltaic combining inverter automatic detection device | |
| CN105652106A (en) | Comprehensive performance testing method and apparatus of energy storage system | |
| CN203572889U (en) | Automatic test system for electric-card charging device | |
| CN202854255U (en) | Capacitor type potential transformer testing device | |
| CN103675524B (en) | A kind of photovoltaic power generation system model parameter identification test method | |
| CN102969888A (en) | Design method for multi media card (MMC) self-defining submodule based on real time digital system (RTDS) | |
| CN103616574A (en) | Island-preventing detection system and island-preventing detection method for electromobile energy storage grid-connected inverter | |
| CN203396866U (en) | Anti-islanding detection system for electric automobile energy storage grid-connected inverter | |
| CN202870278U (en) | Test platform for small photovoltaic grid-connected inverter | |
| CN204882853U (en) | Electric energy meter pressure resistance test installation | |
| CN203929928U (en) | The anti-isolated island energy of a kind of grid-connected converter force checking device | |
| CN209432939U (en) | A kind of high-power transformer second protection polarity test device | |
| CN103487702B (en) | Small-power movable micro-grid connection detecting system | |
| CN205157631U (en) | Switching power supply surge current testing arrangement | |
| Ananda-Rao et al. | Microcontroller based battery controller for peak shaving integrated with solar photovoltaic | |
| CN205958660U (en) | Intelligent tester of earth leakage protection | |
| CN104049146A (en) | Method for determining static equalizing resistance value of power module of chained multi-level converter | |
| CN204649850U (en) | Photovoltaic DC-to-AC converter emc testing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141001 |